67201671 has 16 divisors (see below), whose sum is σ = 93571200. Its totient is φ = 42846048.

The previous prime is 67201639. The next prime is 67201679. The reversal of 67201671 is 17610276.

It is a happy number.

It is not a de Polignac number, because 67201671 - 2⁵ = 67201639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67201679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5700 + ... + 12918.

It is an arithmetic number, because the mean of its divisors is an integer number (5848200).

Almost surely, 2^67201671 is an apocalyptic number.

67201671 is a deficient number, since it is larger than the sum of its proper divisors (26369529).

67201671 is a wasteful number, since it uses less digits than its factorization.

67201671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7358.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 67201671 is about 8197.6625326980. The cubic root of 67201671 is about 406.5619125359.

The spelling of 67201671 in words is "sixty-seven million, two hundred one thousand, six hundred seventy-one".